"CN" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Symboles en conventions internationales",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de l’aviation",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Préfixe OACI d’immatriculation des aéronefs marocains."
      ],
      "id": "fr-CN-conv-symbol-k0HdLy1h",
      "topics": [
        "aviation"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de l’aviation",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Symbole IATA de Grand China Air, une ligne aérienne chinoise."
      ],
      "id": "fr-CN-conv-symbol-MTdnfqwE",
      "topics": [
        "aviation"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de l’aviation",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Ancien symbole IATA de Westward Airways, une ligne aérienne du Nebraska, dissoute en 2005."
      ],
      "id": "fr-CN-conv-symbol-B8~TsOFD",
      "topics": [
        "aviation"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la chimie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Formule brute du cyanure."
      ],
      "id": "fr-CN-conv-symbol-YI5m7HfU",
      "topics": [
        "chemistry"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la géographie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Code ISO 3166-1 (alpha-2) de la République populaire de Chine."
      ],
      "id": "fr-CN-conv-symbol-Hs-nhp3b",
      "topics": [
        "geography"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la géographie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Code FIPS 10-4 des Comores."
      ],
      "id": "fr-CN-conv-symbol-1uX2xzKM",
      "topics": [
        "geography"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la géographie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Ancien code OTAN (STANAG 1059 7ᵉ édition, 2000) de la République fédérale islamique des Comores (devenue l’Union des Comores en 2001)."
      ],
      "id": "fr-CN-conv-symbol-ivfr3Mfe",
      "topics": [
        "geography"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "CN"
}

{
  "categories": [
    "Symboles en conventions internationales",
    "conventions internationales"
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "senses": [
    {
      "categories": [
        "Lexique en conventions internationales de l’aviation"
      ],
      "glosses": [
        "Préfixe OACI d’immatriculation des aéronefs marocains."
      ],
      "topics": [
        "aviation"
      ]
    },
    {
      "categories": [
        "Lexique en conventions internationales de l’aviation"
      ],
      "glosses": [
        "Symbole IATA de Grand China Air, une ligne aérienne chinoise."
      ],
      "topics": [
        "aviation"
      ]
    },
    {
      "categories": [
        "Lexique en conventions internationales de l’aviation"
      ],
      "glosses": [
        "Ancien symbole IATA de Westward Airways, une ligne aérienne du Nebraska, dissoute en 2005."
      ],
      "topics": [
        "aviation"
      ]
    },
    {
      "categories": [
        "Lexique en conventions internationales de la chimie"
      ],
      "glosses": [
        "Formule brute du cyanure."
      ],
      "topics": [
        "chemistry"
      ]
    },
    {
      "categories": [
        "Lexique en conventions internationales de la géographie"
      ],
      "glosses": [
        "Code ISO 3166-1 (alpha-2) de la République populaire de Chine."
      ],
      "topics": [
        "geography"
      ]
    },
    {
      "categories": [
        "Lexique en conventions internationales de la géographie"
      ],
      "glosses": [
        "Code FIPS 10-4 des Comores."
      ],
      "topics": [
        "geography"
      ]
    },
    {
      "categories": [
        "Lexique en conventions internationales de la géographie"
      ],
      "glosses": [
        "Ancien code OTAN (STANAG 1059 7ᵉ édition, 2000) de la République fédérale islamique des Comores (devenue l’Union des Comores en 2001)."
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "CN"
}